PVE 500M dismantles wind farm Lely in only 3 hours

The heaviest single PVE vibratory hammer of Dieseko Group successfully dismantled wind farm Lely in the Netherlands. The Nuon Lely offshore wind farm was built in 1992 and had to be dismantled. After 24 years the wind farm was approaching the end of its life cycle and was becoming less profitable. 

The dismantling of the wind turbines started in October 2016. The PVE 500M was used to extract the foundation of the wind turbines. Four piles, each 26m long and with a diameter of 3.20 to 3.70m, were removed one by one from the seabed and carried off via pontoons. Because of the enormous centrifugal force of the vibratory hammer, the piles were extracted in only 45 minutes each. The PVE 500M, which is a combination of two 250 kgm carters patented according to our GIANT system, has proven once again to have the power to extract 70 to 80 tons piles without any problems. The PVE 500M is a reliable vibratory hammer which managed to do the job in record time. The project is successfully executed by Hebo Maritiemservice.

During this project the Dieseko Group R&D department carried out several underwater sound tests. The main goal is to gain more insights in sound effects. Results will be shared in a later stage.   

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